CAS Number |
Chemical Formula |
Molecular Weight |
Purity |
Grade |
25322-68-3 |
H(OCH2CH2)nOH |
|
|
BioPlus |
基本信息(General Information):
Name (Chinese) |
聚乙二醇(PEG, WT3,350) |
Name (English) |
Poly(ethylene glycol) |
Specifications |
BioPlus, average mol wt 3,350, powder |
Chemical Formula |
H(OCH2CH2)nOH |
Synonym (Chinese) |
PEG |
Synonym (English) |
PEG |
Beilstein Registry No. |
- |
EINECS Number |
- |
MDL Number |
MFCD00081839 |
UNSPSC Code |
- |
|
|
产品描述(Description):
General Description |
聚乙二醇(PEG)是一种亲水性聚合物。它可以通过环氧乙烷的阴离子开环聚合反应而进行合成,产生不同的分子量和端基。当交联成网络时,PEG可具有高含水量,形成“水凝胶”。聚乙二醇(PEG)不会引发免疫反应,是一种理想的生物学应用材料。 |
性质(Properties):
form |
粉末 |
vapor density |
>1 (vs air) |
vapor pressure |
<0.01 mmHg ( 20 °C) |
autoignition temp. |
581 °F |
mol wt |
average mol wt 3,350 |
impurities |
≤0.01% Phosphorus (P) |
impurities |
≤0.1% Insoluble matter |
solubility |
water: soluble (PEG is soluble in water approximately 670 mg/ml, 20 °C) |
density |
1.0962 g/mL at 60 °C |
density |
1.0764 g/mL at 80 °C |
anion traces |
chloride (Cl-): ≤0.05% |
anion traces |
sulfate (SO42-): ≤0.05% |
cation traces |
Al: ≤0.0005% |
cation traces |
Ca: ≤0.0005% |
cation traces |
Cu: ≤0.0005% |
cation traces |
Fe: ≤0.0005% |
cation traces |
K: ≤0.005% |
cation traces |
Mg: ≤0.0005% |
cation traces |
NH4+: ≤0.05% |
cation traces |
Na: ≤0.05% |
cation traces |
Pb: ≤0.001% |
cation traces |
Zn: ≤0.0005% |
注意:该产品适合用于沉淀蛋白,联合葡聚糖分离质膜等相关实验,不适合于酵母转化、诱导细胞融合等
保存条件:
室温保存,三年有效。
注意事项:
本产品仅限于专业人员的科学研究用,不得用于临床诊断或治疗,不得用于食品或药品,不得存放于普通住宅内。
为了您的安全和健康,请穿实验服并戴一次性手套操作。